Uses of Zinc
Chemistry

Uses of Zinc

Uses of Zinc (Zn) Zinc is used for galvanization of iron. Used as a reducing agent. Zinc also used in alloys such as brass, bronze and…
Uses of Nickel
Chemistry

Uses of Nickel

Nickel (Ni) is used, 1) In a finely divided form (known as raney nickel) as a catalyst in the hydrogenation of oils and fats. 2)…
Various form of Iron
Chemistry

Various form of Iron

Three various form of Iron are, Cast Iron Cast iron is the least pure of the irons, and contains 2.5 – 4.5% of carbon. The…
What is Passivity of Iron?
Chemistry

What is Passivity of Iron?

When a piece of iron is brought in contact with dilute sulphuric acid, a vigorous reaction begins and hydrogen gas starts coming out. The same…
Why is conc. HCl used in flame test?
Chemistry

Why is conc. HCl used in flame test?

In the flame test compounds of some metals, in the presence of conc. HCl, form different colored flames. In the flame test, electrons in both…
Uses of Iodine
Chemistry

Uses of Iodine

Iodine is used. In medicines, e.g., for the preparation of tincture of iodine (solution of iodine in alcohol + water containing potassium iodide antiseptic), and…
Uses of Bromine
Chemistry

Uses of Bromine

Bromine is used, As an oxidizing agent. In photography for making silver bromide. For the synthesis of dyes, drugs etc. For the synthesis of diboromoethane,…
Uses of Chlorine
Chemistry

Uses of Chlorine

Chlorine is used, As a bleaching agent for yarn, textiles, paper pulp etc. For sterilization or chlorination of drinking water (water treatment). For the manufacture…
Uses of Fluorine
Chemistry

Uses of Fluorine

Uses of Fluorine Fluorine is so difficult to handle that until World War II it had practically no commercial use. Some of the present day…
Industrial production of iodine from sea weeds
Chemistry

Industrial production of iodine from sea weeds

In sea-weeds there exist sodium & potassium iodide along with other compounds. From these weeds iodide is extracted & from that iodine is released. The…
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